Popsugar Celebrity Kate Middleton Pictures of Kate Middleton Before Becoming a Royal Kate Middleton's Life Before Joining the Royal Family, in Pictures July 21, 2019 by Kelsie Gibson View On One Page Photo 20 of 44 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 May 2007 Kate brought along her sister Pippa as she attended a book launch for author Simon Sebag Montefiore. Previous Next Start Slideshow The RoyalsKate MiddletonThe British Royals